Bobbin case



FIG. 1 is a perspective view of a bobbin case;

FIG. 2 is another perspective view of a bobbin case;

FIG. 3 is a side elevation view thereof;

FIG. 4 is another elevation view thereof; and,

FIG. 5 is a top plan view thereof.

The broken lines shown in the drawings illustrate portions of the bobbin case that form no part of the claimed design. 

CLAIM The ornamental design for a bobbin case, as shown and described. 